IEM :: Monthly Summaries

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00406619) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	1.08	2.07	1.13	0.01	4.53	6.07
2017	2.67	2.55	4.32	7.32	4.75	4.73	3.19	5.92	2.34	3.07	0.94	2.02
2018	1.59	10.42	5.06	4.64	3.40	6.42	3.04	3.28	6.20	1.89	4.99	6.33
2019	5.14	13.08	2.57	2.84	3.21	6.74	5.28	3.23	M	6.28	4.77	3.63
2020	6.02	7.54	5.47	7.29	3.80	3.30	5.38	4.29	2.17	4.92	2.71	2.84
2021	2.18	3.83	9.52	1.51	4.14	4.43	3.93	8.82	3.03	2.85	0.61	2.48
2022	4.29	6.51	2.37	M	0.59	0.58	7.01	0.93	2.27	0.35	0.28	0.58
2023	1.13	2.10	0.95	0.37	0.92	0.14	0.23	2.26	0.43	0.05	0.22	0.38
2024	M	0.08	0.01	M	0.04	0.01	M	M	0.31	M	0.02	0.24
2025	0.94	0.05	0.74	0.87	0.14	M	M	M	M	M	M	M
2026	M	M	M	M	0.04	0.08	M	M	M	M	M	M
NCEI Climatology	5.11	5.54	5.48	5.75	4.31	4.87	5.38	4.27	4.06	3.37	4.03	5.69

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	2.2	1.9	1.5	1.4	1.7	0.7	1.5
2016	2.5	3.2	3.0	M	M	M	1.7	1.6	1.9	2.0	2.2	3.2
2017	3.2	3.0	4.4	3.7	2.9	2.1	1.4	1.4	1.8	1.7	2.4	2.5
2018	2.6	3.8	3.5	3.8	2.2	1.7	1.6	1.4	1.4	1.7	2.4	1.8
2019	2.7	3.2	3.8	3.9	3.0	2.6	1.8	1.5	1.5	2.2	2.4	2.8
2020	3.3	3.8	4.0	3.9	3.1	2.6	1.8	1.9	2.1	2.0	2.7	2.6
2021	2.8	3.3	3.8	3.3	2.8	2.7	2.1	1.6	1.4	1.9	2.3	3.7
2022	3.6	4.3	5.1	M	3.9	2.9	2.0	1.7	2.1	2.4	2.6	2.6
2023	3.3	4.4	4.1	4.0	2.9	1.9	1.8	2.1	2.2	2.1	2.4	2.0
2024	2.9	4.1	3.3	4.0	2.3	2.4	3.4	2.1	2.9	2.0	2.8	3.0
2025	2.7	4.1	5.6	5.2	3.1	1.9	M	M	1.6	2.0	3.0	2.5
2026	M	4.0	5.4	4.1	3.3	2.8	1.7	M	M	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	87.25	86.06	83.85	79.70	69.10	62.23	59.70
2016	43.55	50.74	57.80	M	M	M	90.05	88.38	85.60	76.16	63.82	50.12
2017	52.50	58.74	61.26	74.66	76.30	81.56	86.58	83.21	78.08	72.24	60.02	47.15
2018	43.26	58.20	56.74	65.84	83.10	85.40	86.87	84.37	83.54	70.21	53.06	50.06
2019	47.04	55.91	57.32	72.26	81.12	81.72	86.75	86.29	88.70	73.28	55.70	54.70
2020	51.86	52.83	63.68	67.10	73.86	83.00	88.73	84.84	79.04	71.48	63.86	48.08
2021	46.57	47.69	64.28	68.06	74.79	83.18	85.48	85.19	78.86	70.61	57.20	59.52
2022	44.14	55.21	64.40	M	79.70	86.84	87.39	84.84	78.29	67.83	60.02	49.82
2023	52.34	58.94	60.68	70.04	74.96	79.17	85.52	83.74	79.67	69.80	61.82	53.43
2024	43.09	59.35	64.23	70.08	77.41	85.28	88.16	85.78	80.35	73.81	62.66	51.03
2025	40.01	55.08	66.26	73.03	73.98	82.04	M	M	82.12	68.78	60.20	47.97
2026	M	55.63	69.86	76.40	77.35	84.38	91.76	M	M	M	M	M
NCEI Climatology	44.40	49.94	59.59	70.11	77.01	82.69	85.10	84.49	79.80	69.50	57.39	47.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	64.95	66.90	61.67	57.80	46.05	41.25	39.72
2016	22.77	31.44	32.00	M	M	M	68.75	68.58	60.20	48.07	37.14	30.95
2017	37.34	35.21	37.40	51.92	55.17	60.32	66.32	63.88	57.08	46.52	37.34	29.21
2018	21.37	41.13	37.23	41.72	60.45	64.76	66.72	66.20	65.84	50.06	34.64	34.21
2019	29.91	36.24	35.89	47.24	57.72	62.23	67.36	65.62	62.00	48.90	32.18	34.67
2020	35.41	34.12	46.46	42.02	52.26	61.04	68.35	67.01	58.76	48.49	36.26	27.76
2021	29.62	29.04	38.74	42.92	50.52	63.32	66.26	67.01	58.22	52.44	30.50	38.27
2022	24.39	28.91	37.57	M	61.70	62.42	69.05	65.97	56.62	39.84	36.98	30.26
2023	33.62	38.49	37.69	43.76	54.14	58.57	66.56	65.74	57.57	47.04	35.42	32.00
2024	23.70	34.84	40.25	48.68	57.66	63.32	66.56	62.38	59.00	46.11	41.99	33.16
2025	22.83	32.06	38.39	50.99	57.14	63.56	M	M	60.33	46.70	36.98	30.50
2026	M	33.02	43.67	48.74	53.60	62.60	70.16	M	M	M	M	M
NCEI Climatology	25.20	27.89	33.30	41.11	50.91	59.40	63.41	62.49	56.31	43.80	33.80	28.70

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	76.10	76.48	72.76	68.75	57.58	51.74	49.71
2016	33.16	41.09	44.90	M	M	M	79.40	78.48	72.90	62.12	50.48	40.54
2017	44.92	46.98	49.33	63.29	65.74	70.94	76.45	73.55	67.58	59.38	48.68	38.18
2018	32.32	49.67	46.98	53.78	71.77	75.08	76.80	75.29	74.69	60.13	43.85	42.13
2019	38.47	46.08	46.60	59.75	69.42	71.97	77.06	75.95	75.35	61.09	43.94	44.69
2020	43.64	43.48	55.07	54.56	63.06	72.02	78.54	75.93	68.90	59.99	50.06	37.92
2021	38.10	38.36	51.51	55.49	62.66	73.25	75.87	76.10	68.54	61.53	43.85	48.90
2022	34.26	42.06	50.99	M	70.70	74.63	78.22	75.40	67.45	53.83	48.50	40.04
2023	42.98	48.71	49.19	56.90	64.55	68.87	76.04	74.74	68.62	58.42	48.62	42.71
2024	33.39	47.09	52.24	59.38	67.54	74.30	77.36	74.08	69.68	59.96	52.33	42.09
2025	31.42	43.57	52.32	62.01	65.56	72.80	M	M	71.22	57.74	48.59	39.24
2026	M	44.33	56.76	62.57	65.47	73.49	80.96	M	M	M	M	M
NCEI Climatology	34.80	38.92	46.45	55.61	63.96	71.05	74.25	73.49	68.05	56.65	45.60	38.10

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	72.2%	79.5%	75.8%	76.4%	75.5%	71.6%	79.5%
2016	65.1%	61.0%	66.3%	M	M	M	78.0%	81.8%	73.8%	71.1%	67.9%	75.1%
2017	77.4%	67.9%	60.4%	68.5%	74.6%	78.9%	81.2%	82.4%	81.9%	80.2%	76.6%	71.8%
2018	71.0%	78.3%	65.8%	66.2%	76.6%	79.0%	79.7%	83.7%	85.4%	81.3%	81.5%	82.1%
2019	74.3%	76.5%	60.7%	66.6%	73.2%	77.7%	81.5%	80.1%	74.3%	79.2%	76.2%	77.6%
2020	73.8%	77.1%	72.4%	66.2%	74.0%	76.9%	78.9%	83.3%	82.5%	82.1%	73.0%	79.0%
2021	76.7%	76.2%	64.8%	61.5%	69.3%	77.4%	80.4%	83.4%	84.4%	86.2%	71.2%	78.2%
2022	74.3%	69.2%	60.5%	M	76.6%	69.7%	84.4%	83.0%	80.4%	72.7%	71.5%	77.2%
2023	79.8%	69.5%	64.2%	63.7%	73.4%	78.4%	82.3%	82.7%	79.7%	78.2%	67.5%	79.5%
2024	79.9%	69.9%	66.1%	66.2%	82.3%	77.0%	75.2%	76.8%	81.5%	77.7%	78.9%	80.4%
2025	72.5%	69.8%	57.1%	67.7%	79.7%	83.3%	M	M	81.0%	80.1%	73.7%	72.5%
2026	M	66.2%	66.7%	65.0%	74.0%	77.6%	79.3%	M	M	M	M	M